Patellofemoral Pain Syndrome (Runner's Knee)

What is runner's knee?

Runner's knee, also known as patellofemoral pain syndrome, is a condition characterized by dull pain around the front of the knee (patella), where it connects with the lower end of the thigh bone (femur).

What causes runner's knee?

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Runner's knee may be caused by a structural defect, or a certain way of walking or running. Other causes may include:

A kneecap that is located too high in the knee joint

Weak thigh muscles

Tight hamstrings

Tight Achilles tendons

Poor foot support

Walking or running with the feet rolling in, while the thigh muscles pull the kneecap outward

Excessive training or overuse

Injury

What are the symptoms of runner's knee?

The following are the most common symptoms of runner's knee. However, each individual may experience symptoms differently. Symptoms may include:

Pain in and around the kneecap that may be felt with activity, or even after prolonged sitting with the knees bent, occasionally resulting in weakness or feelings of instability

Rubbing, grinding, or clicking sound of the kneecap that can be heard at times when the knee is bent and straightened

Kneecap is tender to the touch

The symptoms of runner's knee may resemble other conditions and medical problems. Always consult your physician for a diagnosis.

How is runner's knee diagnosed?

Diagnosis of a runner's usually is confirmed with a complete medical history and a physical examination.

What is the treatment for runner's knee?

Specific treatment for runner's knee will be determined by your physician based on: